Flynn Johnston
12/23/2023 · Elementary School
Soit \( A B C D \) un parallélogramme et, \( l \) e \( ~ J \) deux points tels que : \( \vec{A} I=\frac{3}{2} \overrightarrow{A B} \) et \( \overrightarrow{D J}=2 \overrightarrow{A D} \) 1) Construire une figure. 2) Montrer que : \( \overrightarrow{C J}=-\overrightarrow{A B}+2 \overrightarrow{A D} \) et \( \overrightarrow{C i}=\frac{1}{2} \overrightarrow{A B}-\overrightarrow{A D} \). En déduire que les points \( C \); 1 et \( J \) sont alignés
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Costruire la figura del parallelogramma \(ABCD\) con i punti \(I\) e \(J\). Mostrare che \( \overrightarrow{CJ} = -\overrightarrow{AB} + 2\overrightarrow{AD} \) e \( \overrightarrow{CI} = \frac{1}{2}\overrightarrow{AB} - \overrightarrow{AD} \). Dedurre che i punti \(C\), \(I\) e \(J\) sono allineati.
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